[FFmpeg-trac] #2734(undetermined:new): flac crash with low mem

[FFmpeg]

#2734: flac crash with low mem
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://www1.datafilehost.com/d/a66b37b0

 {{{
 (gdb) r -max_alloc 35000 -i test.flac -f null -
 The program being debugged has been started already.
 Start it from the beginning? (y or n) y

 Starting program: D:\MinGW\msys\1.0\ffmpeg-HEAD-7f866c1\ffmpeg_g.exe
 -max_alloc
 35000 -i test.flac -f null -
 [New Thread 220.0x9ec]
 ffmpeg version 1.1.git-7f866c1 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jun 29 2013 22:13:29 with gcc 4.6.2 (GCC)
   configuration: --disable-ffprobe --disable-yasm --disable-w32threads
 --enable-
 gpl
   libavutil      52. 37.101 / 52. 37.101
   libavcodec     55. 17.100 / 55. 17.100
   libavformat    55. 10.100 / 55. 10.100
   libavdevice    55.  2.100 / 55.  2.100
   libavfilter     3. 77.101 /  3. 77.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100

 Program received signal SIGSEGV, Segmentation fault.
 av_fifo_space (f=0x0) at libavutil/fifo.c:59
 59          return f->end - f->buffer - av_fifo_size(f);
 (gdb) bt
 #0  av_fifo_space (f=0x0) at libavutil/fifo.c:59
 #1  0x00849331 in flac_parse (s=0x4ca7220, avctx=0x4ca6c40,
 poutbuf=0x22f4c8,
     poutbuf_size=0x22f4cc, buf=0x4ca7900 "\377°╔\030", buf_size=1024)
     at libavcodec/flac_parser.c:596
 #2  0x0059df53 in av_parser_parse2 (s=0x4ca7220, avctx=0x4ca6c40,
     poutbuf=0x22f4c8, poutbuf_size=0x22f4cc, buf=0x4ca7900 "\377°╔\030",
     buf_size=1024, pts=-9223372036854775808, dts=-9223372036854775808,
     pos=190) at libavcodec/parser.c:155
 #3  0x004947c5 in parse_packet (s=0x4c95e00, pkt=0x22f5d8,
     stream_index=<optimized out>) at libavformat/utils.c:1181
 #4  0x0049588d in read_frame_internal (s=0x4c95e00, pkt=0x22f8e0)
     at libavformat/utils.c:1357
 #5  0x004989a9 in avformat_find_stream_info (ic=0x4c95e00,
 options=0x4ca7100)
     at libavformat/utils.c:2763
 #6  0x004055ef in open_input_file (o=0x22fbb0, filename=<optimized out>)
     at ffmpeg_opt.c:814
 #7  0x00403056 in open_files (inout=<optimized out>,
     open_file=0x405200 <open_input_file>, l=<optimized out>)
     at ffmpeg_opt.c:2483
 #8  0x0040973f in ffmpeg_parse_options (argc=8, argv=0x4bb2510)
     at ffmpeg_opt.c:2520
 #9  0x00aeea55 in main (argc=8, argv=0x4bb2510) at ffmpeg.c:3368
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2734>
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